<template>
  <div class="login-container">
    <!-- <div class="login-version" v-if="sysConfig && sysConfig.sysVersion">
      <p class="login-version-text">{{sysConfig.sysVersion}}</p>
    </div> -->
    <div class="login-left">
      <img class="login-banner" src="@/assets/images/left.png" alt="" />
      <!-- <div class="login-left-txt" v-if="showTxt">
        <p class="title1">在线自动化，可视化系统开发，零代码实现80%的基础功能</p>
        <p class="title2">已帮助<span>20000+</span>家企业完成数字化转型升级</p>
      </div> -->
    </div>
    <div class="login-content">
      <div class="login-form">
        <el-image class="login-logo" :src="define.comUrl + sysConfig.loginIcon" v-if="sysConfig && sysConfig.loginIcon">
          <template slot="error"></template>
        </el-image>

        <div class="login-tab" :class="'active' + active">
          <a class="item" :class="{ active: active == 1 }" @click="active = 1">{{ define.APPTITLE }}</a>
          <!-- <a class="item" :class="{'active': active==2}"
            @click="active=2">{{$t('login.scanTitle')}}</a> -->
        </div>
        <el-form v-show="active == 1" ref="loginForm" :model="loginForm" :rules="loginRules" autocomplete="on" label-position="left">
          <el-form-item prop="account" label="用户名">
            <el-input
              ref="accou
              nt"
              v-model="loginForm.account"
              :placeholder="$t('login.username')"
              name="account"
              type="text"
              tabindex="1"
              autocomplete="on"
              prefix-icon="el-icon-user"
              size="large"
              @change="getConfig"
            ></el-input>
          </el-form-item>
          <el-form-item class="rule-tip">{{ $t('login.rule') }}</el-form-item>
          <el-tooltip v-model="capsTooltip" :content="$t('login.upper')" placement="right" manual>
            <el-form-item prop="password" label="密码">
              <el-input
                ref="password"
                v-model="loginForm.password"
                show-password
                :placeholder="$t('login.password')"
                name="password"
                tabindex="2"
                autocomplete="on"
                @keyup.native="checkCapslock"
                @blur="capsTooltip = false"
                prefix-icon="el-icon-lock"
                size="large"
              ></el-input>
              <!-- @keyup.enter.native="handleLogin" -->
            </el-form-item>
          </el-tooltip>
          <el-form-item prop="code" v-if="needCode">
            <el-row type="flex" justify="space-between">
              <el-col class="sms-input">
                <el-input
                  v-model="loginForm.code"
                  :placeholder="$t('login.codeTip')"
                  name="code"
                  autocomplete="on"
                  prefix-icon="el-icon-key"
                  size="large"
                ></el-input>
              </el-col>
              <el-col class="sms-right code-right">
                <el-tooltip :content="$t('login.changeCode')" placement="bottom">
                  <img id="imgcode" :alt="$t('login.changeCode')" :src="define.comUrl + imgUrl" @click="changeImg" />
                </el-tooltip>
              </el-col>
            </el-row>
          </el-form-item>
          <el-button :loading="loading" type="primary" class="login-btn" size="large" @click.native.prevent="handleLogin">
            {{ $t('login.logIn') }}
          </el-button>
        </el-form>
        <div v-show="active == 2" class="login-form-QRCode">
          <img class="qrcode-img" src="@/assets/images/login_qr.png" />
          <p class="qrcode-tip">正在测试,稍后上线</p>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { getConfig } from '@/api/user'
export default {
  name: 'Login',
  data() {
    return {
      loginForm: {
        account: '',
        password: '',
        code: '',
        origin: 'password',
      },
      loginRules: {
        account: [{ required: true, trigger: 'blur', message: this.$t('login.accountTip') }],
        password: [{ required: true, trigger: 'blur', message: this.$t('login.passwordTip') }],
        code: [{ required: true, trigger: 'blur', message: this.$t('login.codeTip') }],
      },
      imgUrl: '',
      timestamp: '',
      capsTooltip: false,
      loading: false,
      showDialog: false,
      needCode: false,
      codeLength: 4,
      redirect: undefined,
      showTxt: false,
      otherQuery: {},
      active: 1,
    }
  },
  computed: {
    sysConfig() {
      // return {}
      return this.$store.state.settings.sysConfig
    },
    loginLoading() {
      // return {}
      return this.$store.state.user.loginLoading
    },
  },
  watch: {
    loginLoading(val) {
      if (!val) this.loading = false
    },
    $route: {
      handler: function (route) {
        const query = route.query
        if (query) {
          this.redirect = query.redirect
          this.otherQuery = this.getOtherQuery(query)
        }
      },
      immediate: true,
    },
  },
  created() {
    const _this = this
    document.onkeydown = function (e) {
      const { keyCode } = e
      if (keyCode === 13) {
        _this.handleLogin()
      }
    }
    if (this.needCode) this.changeImg()
  },
  mounted() {
    this.$store.commit('user/SET_LOGIN_LOADING', false)
    this.setShowTxt()
    window.onresize = () => {
      this.setShowTxt()
    }
  },
  destroyed() {
    document.onkeydown = function (e) {
      const { keyCode } = e
      if (keyCode === 13) {
      }
    }
  },
  methods: {
    setShowTxt() {
      if (document.documentElement.clientHeight <= 840) {
        this.showTxt = false
      } else {
        this.showTxt = true
      }
    },
    checkCapslock(e) {
      const { key } = e
      this.capsTooltip = key && key.length === 1 && key >= 'A' && key <= 'Z'
    },
    getConfig(val) {
      if (!val) return
      getConfig(this.loginForm.account).then((res) => {
        this.needCode = !!res.data.enableVerificationCode
        if (this.needCode) {
          this.codeLength = res.data.verificationCodeNumber || 4
          this.changeImg()
        }
      })
    },
    handleLogin() {
      if (this.loading) return
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true
          this.$store.commit('user/SET_LOGIN_LOADING', true)
          const query = {
            ...this.loginForm,
            timestamp: this.timestamp,
          }
          debugger
          this.$store
            .dispatch('user/login', query)
            .then((res) => {
              this.$router.push({
                path: this.redirect || '/home',
                query: this.otherQuery,
              })
            })
            .catch(() => {
              this.$store.commit('user/SET_LOGIN_LOADING', false)
            })
        } else {
          return false
        }
      })
    },
    changeImg() {
      let timestamp = Math.random()
      this.timestamp = timestamp
      this.imgUrl = `/api/oauth/ImageCode/${this.codeLength || 4}/${timestamp}`
    },
    getOtherQuery(query) {
      return Object.keys(query).reduce((acc, cur) => {
        if (cur !== 'redirect') {
          acc[cur] = query[cur]
        }
        return acc
      }, {})
    },
  },
}
</script>

<style lang="scss">
@import './index.scss';
</style>
